An experiment combining sound and ultrasound using a toy violin.

We will measure, analyze, and evaluate the propagation state of ultrasound using an ultrasonic tester.

Features (for standard specifications) * Measurement (analysis) frequency range Specification: 0.1 Hz to 10 MHz * Ultrasonic oscillation Specification: 1 Hz to 100 kHz * Capable of measuring surface vibrations * Continuous measurement for 24 hours * Simultaneous measurement of any two points * Display of measurement results in graph form * Attached software for time series data analysis This is a measurement system using an ultrasonic probe. The ultrasonic probe is attached to the target object for oscillation and measurement. The measured data is analyzed considering position, state, and elastic waves, detecting various acoustic performances. Ultrasonic Probe: Outline Specifications Measurement range: 0.01 Hz to 10 MHz Oscillation range: 1 kHz to 25 MHz Propagation range: 1 kHz to over 900 MHz Materials: Stainless steel, LCP resin, silicone, Teflon, glass... Ultrasonic Propagation Characteristics 1) Detection of vibration modes (changes in self-correlation) 2) Detection of nonlinear phenomena (changes in bispectrum) 3) Detection of response characteristics (analysis of impulse response) 4) Detection of interactions (analysis of power contribution rates)

• Non-destructive testing
• Other measuring instruments
• others

An ultrasonic system that easily controls the oscillation of megahertz ultrasound—applying technology to evaluate the propagation characteristics of ultrasonic probes.

The Ultrasonic System Research Institute has developed a technology to control the nonlinear phenomena of surface elastic waves (ultrasonic vibrations) that propagate through the target object, using an original ultrasonic system (sound pressure measurement analysis, oscillation control). **Technology for Controlling Nonlinear Ultrasonic Vibration Phenomena** 1) Control setting technology that adjusts the oscillation output, waveform, and variations of the oscillation control using a function generator, tailored to the acoustic characteristics of the target object. 2) Manufacturing technology for an ultrasonic oscillation control probe that enables control of changes in ultrasonic oscillation voltage, including adjustments to the oscillation surface. 3) Manufacturing technology for an ultrasonic measurement probe that allows for the measurement of changes in ultrasonic vibrations at 100 megahertz, including adjustments to the oscillation surface. 4) Optimization technology for sweep oscillation conditions. Using the above technologies, we control (optimize) the propagation state of ultrasonic waves according to specific objectives. Note: The dynamic control of ultrasonic waves is performed based on the analysis and evaluation of sound pressure data related to nonlinear phenomena, considering the interaction between the acoustic characteristics of the target object and ultrasonic oscillation control. (Sound pressure measurement, analysis, confirmation, and evaluation are conducted using an ultrasonic tester.)

• Analysis and prediction system
• Other measuring instruments
• others

Improvement process for ultrasonic propagation efficiency due to harmonics above 200 MHz.

The Ultrasonic System Research Institute has made it possible to control the nonlinear propagation state of ultrasound by measuring, analyzing, and controlling the propagation state of ultrasound and applying it as the acoustic characteristics of the target object. As a result, we have developed a technology that efficiently alleviates the residual stress on the surface of components and homogenizes the entire surface. With this technology to alleviate surface residual stress, we have improved fatigue strength against metal fatigue and achieved uniformity in various surface treatments. In particular, by considering the guided waves (surface elastic waves) of the target object in the setting and control of the ultrasonic propagation state, we have developed control methods, tools, and systems that realize effective dynamic changes in the target object as a certain range of stimuli that include nonlinear phenomena. We have confirmed a wide range of effects on various surfaces of metal parts, plastic parts, and powder materials. This technology is offered as a consulting service.

• Non-destructive testing
• Scientific Calculation and Simulation Software
• others

Surface inspection using ultrasonic oscillation from ultrasonic probes (oscillating type, measuring type, resonant type, nonlinear type).

The Ultrasonic System Research Institute has developed a new component inspection technology using megahertz ultrasonic oscillation, based on its track record of analyzing ultrasonic data propagating on the surface of target objects. This method applies the measurement and analysis technology of "sound pressure and vibration" through the control of original ultrasonic probe oscillation. We provide consulting and explanations of ultrasonic evaluation technology by developing ultrasonic probes tailored to the purpose (vibration modes propagating on the surface of target objects). This is an application of new ultrasonic oscillation control technology. By utilizing nonlinear phenomena related to megahertz ultrasonic propagation states that match the acoustic characteristics of the target object, it is possible to detect new features regarding the surface condition of the target object. In particular, this fundamental technology serves as a new evaluation parameter for ultrasonic vibration, utilized in surface inspection of substrate components and preliminary evaluation of precision cleaning parts, based on the response characteristics derived from combinations of oscillation and reception. By measuring, analyzing, and evaluating the dynamic characteristics of ultrasonic waves related to surface elastic wave propagation phenomena, we have enabled effective utilization tailored to the purpose (evaluation) by constructing and modifying logical models.

• Non-destructive testing
• Other measuring instruments
• others

Control of nonlinear phenomena related to megahertz ultrasonic propagation states.

This seminar is an in-person event with a maximum capacity of 10 participants. The Ultrasonic System Research Institute will hold an ultrasonic seminar as follows: Title: "Analysis of Ultrasonic Sound Pressure Measurement and Oscillation Control Technology" We will provide a detailed explanation of the know-how related to ultrasonic cleaning, stirring, and processing using fine bubbles, along with demonstrations using the "Ultrasonic Tester NA (200MHz)" for easy measurement analysis and the "Ultrasonic Oscillation System (20MHz)" for easy oscillation control! Date: **Month** **Day**, 2024, 13:00 - 16:00 Venue: Tokyo Tama Mirai Messe (Tokyo Metropolitan Tama Industry Exchange Center) Room 7 (Capacity: 27 participants) Price (including tax): 18,700 yen (Base price: 17,000 yen) - For simultaneous applications of 2 participants: 33,000 yen (Base price for 2 participants: 30,000 yen) Organizer: Ultrasonic System Research Institute

• Vibration and Sound Level Meter
• Scientific Calculation and Simulation Software
• others

Ultrasonic system combining "Ultrasonic Tester NA (10 MHz)" and "Ultrasonic Oscillator (20 MHz)"

An ultrasonic system that allows for easy measurement analysis and oscillation control. The Ultrasonic System Research Institute is publicly conducting experiments using a system that combines the "Ultrasonic Tester NA (recommended type)," which allows for easy measurement analysis of ultrasonic waves, and the "Ultrasonic Oscillation System (20 MHz)," which enables easy oscillation control of ultrasonic waves. Ultrasonic Probe: Overview Specifications - Measurement Range: 0.01 Hz to 200 MHz - Oscillation Range: 0.5 kHz to 25 MHz - Propagation Range: 0.5 kHz to over 900 MHz (confirmed and evaluated through analysis) - Materials: Stainless steel, LCP resin, silicone, Teflon, glass, etc. - Oscillation Equipment Example: Function Generator Note: Ultrasonic Propagation Characteristics 1) Detection of Vibration Modes (Changes in Autocorrelation) 2) Detection of Nonlinear Phenomena (Changes in Bispectrum) 3) Detection of Response Characteristics (Analysis of Impulse Response Characteristics) 4) Detection of Interactions (Analysis of Power Contribution Rates) Note: "R" Free Statistical Processing Language and Environment - autocor: Autocorrelation Analysis Function - bispec: Bispectrum Analysis Function - mulmar: Impulse Response Analysis Function - mulnos: Power Contribution Rate Analysis Function

• Water Treatment
• Other analytical equipment
• others

Ultrasonic oscillation (sweep oscillation) system for controlling nonlinear phenomena

The Ultrasonic System Research Institute has developed a technology to control the nonlinear vibration phenomena of surface elastic waves based on the acoustic characteristics of original ultrasonic probes. The key point is the setting of sweep oscillation conditions using two ultrasonic probes (essentially, it cannot be controlled with just one probe for ultrasonic oscillation control. By combining the oscillation settings of the two probes, the occurrence of resonance phenomena and nonlinear phenomena can be controlled). Resonance phenomena and nonlinear phenomena can be controlled within a frequency range tailored to the intended use. In particular, when strong stimulation is required, this is achieved by utilizing low-frequency resonance phenomena (e.g., breaking glass). When high-frequency stimulation is needed, this is achieved by utilizing high-frequency nonlinear phenomena (e.g., 700 MHz stimulation).

• Vibration and Sound Level Meter
• Scientific Calculation and Simulation Software
• others

A completely new vibration measurement technology using original products (ultrasonic testers).

The Ultrasonic System Research Institute has developed a completely new <vibration measurement technology> using its original product (ultrasonic tester). The ultrasonic sound pressure measurement analysis technology developed so far applies the "measurement, analysis, and control" technology related to the nonlinear phenomena of ultrasound. From the accumulation of data measuring, analyzing, and evaluating the dynamic characteristics of ultrasound propagating on surfaces, we have developed technology that can <measure, analyze, and evaluate> vibration states from low frequencies (0.001 Hz) to high frequencies (700 MHz). Regarding vibrations and noise from buildings and roads, equipment, devices, walls, piping, desks, handrails... as well as the vibrations at the moment of metal melting during welding and instantaneous vibrations during machining, we have made it possible to respond with vibration control and management based on the measurement and analysis of new vibration phenomena. This is a new method and technology, and various application cases have developed from the analysis results so far. In particular, continuous data collection for a standard measurement time of 72 hours is possible, allowing measurement of low-frequency vibrations and irregularly fluctuating vibrations (maximum measurement can be overwritten over a continuous period of 14 days).

• Non-destructive testing
• Other measuring instruments
• others

Kort Valuta Inc. (Head Office: Shibuya, Tokyo; CEO: Hideki Shibata) is pleased to announce that we will hold our next recruitment event, “Kort Valuta Night,” on November 26, 2025. This recurring event offers an opportunity for potential candidates to casually learn about our company culture and team atmosphere before applying. By lowering the barrier to entry and providing authentic insights from current employees, the event helps participants gain a more concrete sense of what it’s like to work at Kort Valuta. Since the event’s launch, approximately ten attendees have gone on to join the company in a range of roles — including marketing, customer support, and backend engineering.

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; President & CEO: Hideki Shibata; hereinafter “the Company”) announces that it has renewed the user interface (UI) of TwooCa, the Company’s digital employee ID with Visa payment functionality.

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; CEO: Hideki Shibata) is pleased to announcethat NBS Logisol Co., Ltd. (Headquarters: Hita City, Oita Prefecture; CEO: Itsuro Kono) has introduced “TwooCa,”a Visa-enabled digital employee ID card, for approximately 1,100 employees.

An article about the resin-based lightweight formwork system "PERI DUO" has been published in the "Construction News" (November 7, 2025)! "PERI DUO" is a new system formwork made of resin that can be used for walls. It is made from a newly developed material called "Politec," which is high-strength and lightweight. With fewer components, it is easy to handle. It allows for increased reuse and is an environmentally friendly lightweight formwork that is flexible on the construction site! 【DUO Product Features】 ■ New system formwork made of resin ■ High strength and lightweight ■ Fewer components and easy to handle ■ 100% recyclable *For more details about this product, please feel free to contact us. PERI Japan Co., Ltd.

We are pleased to announce that the "Kuji Regional Renewable Energy Circulation Project" in Kuji City, Iwate Prefecture, has received an Excellence Award at the 2025 Solar Week Awards organized by the Japan Photovoltaic Energy Association. The "Solar Week Awards" recognize initiatives and projects that contribute to the community, are desired by the community, and serve as models for the expansion of solar power generation. On July 24, 2025, NGK Insulators, Ltd. issued a press release titled "Start of Operation of Solar Power Generation Equipment at Hybrid Storage Facility with Sharing Function - Ceremony Held at Solar Power Plant Operated by Iwate Bank Group Company." This demonstration of the hybrid storage facility with sharing function (StorageHub) is being conducted by manorda Iwate, a regional trading company fully funded by Iwate Bank, with development led by NR-Power Lab Co., Ltd. NR-Power Lab Co., Ltd. is leading the design, development, and system operation of the StorageHub in this project. We will continue to collaborate with our partner companies to engage in technological development and the creation of advanced services aimed at realizing a sustainable local community.